Download Windows 8.1 Preview

Microsoft released the new version of Windows 8, Windows 8.1 Preview release finally.
IT professionals like Windows developers, app developers and system administrators can download and evaluate the new features of Windows 8.1 now.

During this recent version update to Windows 8, use the following Windows 8 product key for Windows 8.1 installation.
Use free Windows 8 product key NTTX3-RV7VB-T7X7F-WQYYY-9Y92F with Windows 8.1 Preview release installation

The first public available release of Windows 8.1 download is provided in different languages including English, Chinese, German, Japanese, Turkish, Portuguese, Russian, Spanish, Korean, Swedish, French and Arabic.

ISO format of Windows 8.1 download file size is around 3.7 or 3.9 GB for 64-bit editions.
On the other hand the total size of Windows 8.1 download sizes for X86 edition for different languages are around 2.8 or 2.9 GB.
There is 1 GB file size difference between 64-bit and 32-bit editions of Windows 8.1 setup files.